Dynamical Analysis of a Two Dimensional Turbomachine Blade with the Coupling of Bending and Torsion
The blades of turbomachine are the import components to produce power like turbines or pressure compressors working in a complicated condition with high pressure,high temperature and the three dimensional air flows as well.The aeroelastic problems like stall flutter and choke flutter may occur during different working states.In this paper,flow-induced vibration of the blade with the coupling of bending and torsion is investigated to deprive the mechanism of the flutters.Averaging method and power flow approach are employed to demonstrate the flutter behaviour of the interaction between an isolated blade and the quasi-steady flow.Moreover,the relation between the amplitude and the frequency of the blade vibration is given to predict flutters,which is beneficial to the aeroelastic design of the turbomachine.
blade flutter averaging method power flow approach aeroelastic design
Dan Wang Yushu Chen Qingjie Cao Yeping Xiong
School of Astronautics,Harbin Institute of Technology,Harbin 150001 China Faculty of Engineering and the Environments,University of Southampton,Southampton SO17 1BJ UK
国际会议
南京
英文
1-4
2013-08-20（万方平台首次上网日期，不代表论文的发表时间）